Das, N.G. <br/><br/>
Statistical methods:Vol-1 

 - New Delhi  Tata McGraw Hill  2009 
 - x,449p.  , PB  22cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780070263505 
<br/><br/><label>Dewey Class. No.: </label>519.5  / DAS